@Override public void sendContent( OutputStream out, Range range, Map<String, String> params, String contentType) throws IOException, BadRequestException { WorkbenchState state = WorkbenchState.instance(SessionContext.current()); IMap map = state.getMap(); try { JSONObject json = new JSONObject(); json.put("width", -1); json.put("height", -1); ReferencedEnvelope extent = map.getExtent(); json.put("minX", extent.getMinX()); json.put("minY", extent.getMinY()); json.put("maxX", extent.getMaxX()); json.put("maxY", extent.getMaxY()); out.write(json.toString(4).getBytes("UTF-8")); } catch (JSONException e) { throw new RuntimeException(e); } }
@Override public void sendContent( OutputStream out, Range range, Map<String, String> params, String contentType) throws IOException, BadRequestException { WorkbenchState state = WorkbenchState.instance(SessionContext.current()); try { FeatureCollection features = state.getSelectedFeatures(); if (features != null) { FeatureJSON encoder = new FeatureJSON(); encoder.setEncodeFeatureBounds(false); encoder.setEncodeFeatureCollectionBounds(false); encoder.setEncodeFeatureCollectionCRS(false); encoder.setEncodeFeatureCRS(false); encoder.writeFeatureCollection(features, out); } else { out.write("{\"type\": \"FeatureCollection\",\"features\": []}".getBytes("UTF-8")); } } catch (Exception e) { log.debug("", e); throw new RuntimeException(e); } }
@Override public void sendContent( OutputStream out, Range range, final Map<String, String> params, String rContentType) throws IOException, BadRequestException { final int width = params.containsKey("width") ? Integer.parseInt(params.get("width")) : 300; final int height = params.containsKey("height") ? Integer.parseInt(params.get("height")) : 300; List<Job> jobs = new ArrayList(); final Map<ILayer, Image> images = new HashMap(); // run jobs for all layers WorkbenchState state = WorkbenchState.instance(SessionContext.current()); final IMap map = state.getMap(); if (map != null) { for (final ILayer layer : map.getLayers()) { if (layer.isVisible()) { UIJob job = new UIJob(getClass().getSimpleName() + ": " + layer.getLabel()) { protected void runWithException(IProgressMonitor monitor) throws Exception { try { IGeoResource res = layer.getGeoResource(); if (res == null) { throw new RuntimeException( "Unable to find geo resource of layer: " + layer); } IService service = res.service(null); Pipeline pipeline = pipelineIncubator.newPipeline( LayerUseCase.IMAGE, layer.getMap(), layer, service); if (pipeline.length() == 0) { throw new RuntimeException( "Unable to build processor pipeline for layer: " + layer); } // processor request GetMapRequest request = new GetMapRequest( null, // layers map.getCRSCode(), map.getExtent(), contentType, width, height, -1); // process request pipeline.process( request, new ResponseHandler() { public void handle(ProcessorResponse pipeResponse) throws Exception { Image image = ((ImageResponse) pipeResponse).getImage(); images.put(layer, image); } }); } catch (Exception e) { // XXX put a special image in the map log.warn("", e); images.put(layer, null); throw e; } } }; jobs.add(job); job.schedule(); } } // join jobs for (Job job : jobs) { try { job.join(); } catch (InterruptedException e) { // XXX put a special image in the map log.warn("", e); } } } // put images together (MapContext order) Graphics2D g = null; try { // create image BufferedImage result = new BufferedImage(width, height, BufferedImage.TYPE_4BYTE_ABGR); g = result.createGraphics(); // rendering hints RenderingHints hints = new RenderingHints(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY); hints.add( new RenderingHints(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON)); hints.add( new RenderingHints( RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON)); g.setRenderingHints(hints); if (map == null) { g.setFont(new Font("Serif", Font.PLAIN, 14)); g.setColor(Color.RED); g.drawString("Melden Sie sich in der Workbench an, um hier eine Karte zu sehen!", 50, 50); } // FIXME honor layer.getOrderKey() for (Map.Entry<ILayer, Image> entry : images.entrySet()) { int rule = AlphaComposite.SRC_OVER; float alpha = ((float) entry.getKey().getOpacity()) / 100; g.setComposite(AlphaComposite.getInstance(rule, alpha)); g.drawImage(entry.getValue(), 0, 0, null); } // encode image encodeImage(result, out); } finally { if (g != null) { g.dispose(); } } }
@Override public Date getModifiedDate() { WorkbenchState state = WorkbenchState.instance(SessionContext.current()); return state.getMapModified(); }